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"(Medical Xpress)\u2014A connection between sleep and learning has already been identified as beneficial for adults and older children. Now Sussex psychologists Dr Jessica Horst and PhD candidate Sophie Williams have shown that three-year-olds who take a nap after having stories read to them will also perform better later in word-learning tasks."^^<http://www.w3.org/2001/XMLSchema#string>
<http://medicalxpress.com/news/2014-02-toddlers-naps-significantly.html>